<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
    *{
margin: 0;
padding: 0;
    }
    /* 让容器宽度和高度都充满全屏 */
    html,body{
        width: 430px;
        height:932px;
    }
body{
background-color: pink;
display: flex;
flex-direction: row;
align-items: center;
justify-content: center;

}
.q1{
background-color: red;
width: 200px;
height: 200px;
position: relative;
transform: rotate(45deg);
/* 旋转45度 */
animation: heartbit 1s alternate infinite;
text-align: center;

}

.q1 p{
    transform: rotate(-45deg);
    position: absolute;
    left: 30px;
    top: 40px;
    font-size: 50px;
    color:rgb(217, 15, 224);
}
.q1::before{
content: "";
width: 200px;
height:100px;
background-color: red;
position: absolute;
left:0%;
top: -99px;
border-radius:100px 100px 0 0;
}
.q1::after{
    content: "";
width: 100px;
height: 200px;
background-color:red;
position: absolute;
left: -99px;
top: 0%;
border-radius:100px 0 0 100px ;
}
/* 实现动画，让心动起来 */
@keyframes heartbit {
0%{
    transform: rotate(45deg) scale(0.6);

}
100%{
    transform: rotate(45deg) scale(1.2);
}
0%{
    transform: rotate(45deg) scale(0.6);

   
}

}
@keyframes 
    </style>
</head>
<body>
    <div class="q1">
<p class="q2">星星</p>

    </div>
</body>
</html>